New and improved- This version issues with new NOAA protocols for GFS gribs- Support to GSHHS *.B and ESRI *.SHP files- NMEA over TCP/IP support (NMEA talker and listener)- AIS client - Interface with iOS app VRTool sidekick. Get input from phone GPS.See https://itunes.apple.com/us/app/vrtool- ... 21545?mt=8